<template>
    <el-breadcrumb class="breadcrumb" separator="/">
      <transition-group name="breadcrumb">
        <el-breadcrumb-item
          v-for="(item, index) in breadcrumbData"
          :key="item.path"
        >
          <!-- 不可点击项 -->
          <span v-if="index === breadcrumbData.length - 1" class="no-redirect">{{
           item.meta.title
          }}</span>
          <!-- 可点击项 -->
          <span v-else class="redirect">{{
           item.meta.title
          }}</span>
        </el-breadcrumb-item>
      </transition-group>
    </el-breadcrumb>
  </template>
  
  <script setup> 
  import { ref, watch } from 'vue'
  import { useRoute, useRouter } from 'vue-router'
  import { useTabsStore } from '@/stores/multipleTabs'


  
  const route = useRoute()
  // 生成数组数据
  const breadcrumbData = ref([])
  const getBreadcrumbData = () => {
    breadcrumbData.value = route.matched.filter(
      item => item.meta && item.meta.title
    ) 
  }
  // 监听路由变化时触发
  watch(
    route,
    () => {
      getBreadcrumbData()
    },
    {
      immediate: true
    }
  )
  
  // 处理点击事件
  const router = useRouter()
  const onLinkClick = item => {
    router.push(item.path)
  }
  
  // 将来需要进行主题替换，所以这里获取下动态样式
  const store = useTabsStore() 
  // eslint-disable-next-line
 
  </script>
  
  <style lang="scss" scoped>
  .breadcrumb {
    display: inline-block;
    font-size: 14px;
    line-height: 50px;
    margin-left: 8px;
  
    .no-redirect {
      color: #97a8be;
      cursor: text;
    }
  
    .redirect {
      color: #666;
      font-weight: 600;
    }
  
    .redirect:hover {
      // 将来需要进行主题替换，所以这里不去写死样式
     
    }
  }
  </style>
  